The Missing Universe: CERN Has Started Searching for “Dark Photons”


IN BRIEF
  • Dark matter seems to outweigh visible matter roughly six to one, making up about 27% of the universe.
  • Physicists from CERN now believe there’s a fifth universal force that rules the behavior of dark matter, and is transmitted by a particle called the dark photon.

THE FIFTH FORCE

The universe is shrouded in mystery—a shroud so dark, in fact, that 27 percent of the matter in it is “dark.” Dark matter does not interact with photons and electromagnetic waves, so it’s invisible to our eyes and to every kind of telescope. Basically, it’s the darkness that surrounds every celestial body, and we only know that it’s there because astronomers observe its gravitational pull on everything else.

A working theory is that – in addition to the four fundamental forces that drive the universe: gravity, electromagnetism, and strong and weak nuclear forces – there’s a fifth force that rules the behavior of dark matter. Physicists from CERN now believe that this force is transmitted by a particle called the dark photon.

“To use a metaphor, an otherwise impossible dialogue between two people not speaking the same language (visible and dark matter) can be enabled by a mediator (the dark photon), who understands one language and speaks the other one,” explained Sergei Gninenko of CERN.

The research facility is now launching the NA64 experiment to search for this particle. The equipment focuses a beam of electrons with a known value of initial energy at a detector. Interactions between the electrons and atoms in the detector produce visible photons. If dark photons exist, they will escape the detector and subtract from the initial electron energy, as by the law of conservation of energy.

THE COMPLEX UNIVERSE

There’s a lot of work to be done by physicists in order to prove that dark photons exist. Results of the experiment must be replicable and, if the scientists find it, another round of research will be pursued to prove its relation to dark matter.

CERN is an organization of physicists and engineers that probe the universe in pursuit of understanding its fundamental structure. Discoveries from these studies could validate or totally destroy everything we currently know.

While dark matter may seem very far away from us and our daily lives, understanding all these mysteries is another step toward understanding ourselves and this complex universe we live in.

One thought on “The Missing Universe: CERN Has Started Searching for “Dark Photons”

  1. There is evidence of the superfluid dark matter every time a double slit experiment is performed, it’s what waves.

    Superfluid dark matter fills ’empty’ space, strongly interacts with and is displaced by ordinary matter. What physicists mistake for the ‘clumpiness’ of dark matter is actually the state of displacement of the superfluid dark matter.

    ‘The Milky Way’s dark matter halo appears to be lopsided’
    http://arxiv.org/abs/0903.3802

    “the emerging picture of the dark matter halo of the Milky Way is dominantly lopsided in nature.”

    The Milky Way’s halo is not a clump of dark matter traveling along with the Milky Way. The Milky Way’s halo is lopsided due to the ordinary matter in the Milky Way moving through and displacing the superfluid dark matter, analogous to a submarine moving through and displacing the water.

    What ripples when galaxy clusters collide is what waves in a double slit experiment, the superfluid dark matter which fills ’empty’ space.

    Superfluid dark matter displaced by ordinary matter relates general relativity and quantum mechanics.

    The superfluid dark matter is likely a sea of massive dark photons which ordinary matter moves through and displaces.

    ‘Glenn Randall talks about dark matter’
    https://asunow.asu.edu/20160624-glenn-randall-talks-about-dark-matter-popular-mechanics

    “dark matter might interact with itself via some yet unknown dark force … the particles could be something we call dark photons … the dark photon would have mass”

    The sea of massive dark photons displaced by ordinary matter is the quantization of gravity.

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